Ansible Templates and Safe Configuration Rollouts
Render per-host configuration from Jinja2 templates, validate it before the service reloads into it, and roll the change across a fleet one host at a time with serial.
Deploy nginx with Ansible: Handlers, Reloads and Health Checks
Install nginx, deploy a page and meet handlers: the Ansible mechanism that reloads a service only when something actually changed, with a health check that fails the run when the service does not answer, verified against real systemd.
Manage Users, SSH Keys and Sudo with Ansible
Onboard and offboard users across a group of Linux servers with one playbook: accounts, SSH keys and sudo rules defined as data, applied with loops and validated before they land.
Write Your First Real Ansible Playbook: Baseline a Linux Server
Turn ad-hoc commands into a repeatable playbook that brings Linux servers to a known baseline, with check mode, diff mode and idempotence explained properly.
Understand Ansible Inventory, Facts and Ad-Hoc Commands
Learn how Ansible decides which hosts to manage, how to run ad-hoc commands against groups, and how to use facts to answer real operational questions.
Set Up an Ansible Practice Lab with Docker in Under 10 Minutes
Learn how to build a local, multi-host Ansible practice lab using Docker in under 10 minutes. Perfect for Windows, macOS, or Linux. No heavy VMs required.
Meet EkkoJS: The JavaScript Runtime That Doesn't Apologise for Starting Fresh
EkkoJS is a JavaScript and TypeScript runtime that trades backward compatibility for a cleaner slate. No CommonJS, no node_modules, no URL imports. This is a hands-on introduction covering the architecture, the permission model, and a working S3 demo built entirely from built-in modules.
Deploying Azure locally with OpenTofu and floci-az: my real test run
A practical walkthrough of running the OpenTofu azurerm provider against floci-az, including TLS, certificate trust, provider discovery, version notes, and what local Azure testing can and cannot prove.
Run AWS on Your Laptop: A 9-Part LocalStack Build Series (Part 8 - Terraform, tflocal, and GitHub Actions CI)
Provision the LocalStack stack from Parts 1-7 with Terraform, apply it with tflocal, and run integration tests in GitHub Actions CI. The capstone turns the series into a repeatable, tested workflow.
Run Your Own AI at Home and Access It Anywhere with LM Studio and LM Link
Run an AI model on your home PC or homelab with LM Studio, connect it with LM Link, and use it from an iPhone, iPad, laptop, or work PC without opening ports.
Run AWS on Your Laptop: A 9-Part LocalStack Build Series (Part 7 - Secrets Manager, KMS, and Secret Rotation)
Store API keys properly on LocalStack with Secrets Manager and a customer-managed KMS key. Build a Lambda that reads the secret at request time, rotate it, and watch the new value go live without a redeploy.
Run AWS on Your Laptop: A 9-Part LocalStack Build Series (Part 6 - EventBridge and Step Functions Photo Workflow)
Build a real Step Functions workflow on LocalStack: validate, fan out across parallel Lambdas, then notify via SNS. Trigger it manually, then wire it to an EventBridge schedule and watch it fire automatically.